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Finding the Third Proportional to 3,403,675.69 and 7,374,376.69

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Solution

The third proportional to 3,403,675.69 and 7,374,376.69 is: 15,977,265.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403,675.69 : 7,374,376.69 = 7,374,376.69 : x
  2. Step 2: Convert to fraction form
    3,403,675.69/7,374,376.69 = 7,374,376.69/x
  3. Step 3: Cross multiply
    3,403,675.69x = 7,374,376.69 × 7,374,376.69
  4. Step 4: Simplify right side
    3,403,675.69x = 54,381,431,529,143.47
  5. Step 5: Solve for x
    x = 54,381,431,529,143.47/3,403,675.69
  6. Step 6: Final answer
    x = 15,977,265.91

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.